function IsPC() {
    var userAgentInfo = navigator.userAgent;
    var Agents = ["Android", "iPhone","SymbianOS", "Windows Phone", "iPad", "iPod"];
    var flag = true;
    for (var v = 0; v < Agents.length; v++) {
        if (userAgentInfo.indexOf(Agents[v]) > 0) {
            flag = false;
            break;
        }
    }
    return flag;
}


function myFunction(x){
    $('.menu').toggle()

    if($(".menu").is(":visible")){
        $(x).addClass('change')
    }else{
        $(x).removeClass('change')
    }

}